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CSI-DSP
Version 1.0.0
CSI DSP Software Library
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Q31 DCT4/IDCT4 函数结构体实例.
成员变量 | |
| uint16_t | N |
| uint16_t | Nby2 |
| q31_t | normalize |
| q31_t * | pTwiddle |
| q31_t * | pCosFactor |
| csky_rfft_instance_q31 * | pRfft |
| csky_cfft_radix4_instance_q31 * | pCfft |
| uint16_t csky_dct4_instance_q31::N |
DCT4的长度.
| uint16_t csky_dct4_instance_q31::Nby2 |
DCT4长度的一半.
| q31_t csky_dct4_instance_q31::normalize |
归一化因子.
| csky_cfft_radix4_instance_q31* csky_dct4_instance_q31::pCfft |
指向复数FFT实例.
| q31_t* csky_dct4_instance_q31::pCosFactor |
指向余弦因子表
| csky_rfft_instance_q31* csky_dct4_instance_q31::pRfft |
指向实数FFT实例.
| q31_t* csky_dct4_instance_q31::pTwiddle |
指向旋转因子表.
